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VizieR

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V/139/sdss9 The SDSS Photometric Catalog, Release 9 (Adelman-McCarthy+, 2012)
Data Release 9 (469,053,874 primary sources plus 324,960,076 secondary sources); 2,674,200 spectroscopic targets. Data Release 9 is the first release of the spectra from the SDSS-III's Baryon Oscillation Spectroscopic Survey (BOSS). The photometric part contains the same sources as the Data Release 8, with a corrected astrometry. (794013950 rows)
  objID=1237656906894540910
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Note: SDSS is also available from http://www.sdss3.org/dr9/

ColumnValue  Explain   (UCD)
_RAJ200000 23 35.76840 "h:m:s" Right ascension (FK5, Equinox=J2000.0) at Epoch=J2000, proper motions taken into account (pos.eq.ra)
_DEJ2000-00 30 51.3684 "d:m:s" Declination (FK5, Equinox=J2000.0) at Epoch=J2000, proper motions taken into account (pos.eq.dec)
_RAB195000 21 02.07281 "h:m:s" Right ascension (FK4, Equinox=B1950.0) at Epoch=J1950, proper motions taken into account (pos.eq.ra)
_DEB1950-00 47 28.6909 "d:m:s" Declination (FK4, Equinox=B1950.0) at Epoch=J1950, proper motions taken into account (pos.eq.dec)
_Glon107.68638418 deg Galactic longitude (computed by VizieR, not part of the original data. The format may include more digits than the original data because of internal accuracy requirements in VizieR and across other CDS services) (pos.galactic.lon)
_Glat-62.55902351 deg Galactic latitude (computed by VizieR, not part of the original data. The format may include more digits than the original data because of internal accuracy requirements in VizieR and across other CDS services) (pos.galactic.lat)

mode2   [1,2] 1: primary (469,053,874 sources), 2: secondary (324,960,076 sources). (meta.code.class)
q_mode    [+] '+' indicates clean photometry (105,969,748 sources with mode 1+) (meta.code.qual;instr.setup)
cl6  Type (class) of object (3=galaxy, 6=star) (Note 1)   (src.class)

SDSS9J002335.76-003051.3  (i) SDSS-DR9 name, based on J2000 position (meta.id)
m_SDSS9*   [*] The asterisk indicates that 2 different SDSS objects share the same SDSS9 name (meta.code.multip)
ImIm  Image from SDSS-server (meta.ref.url)

SDSS-ID2662-301-2-0322-0110  (i) [0-9 -] SDSS object identifier (Note 2)   (meta.id)
objID1237656906894540910  (i) SDSS unique object identifier (2) (links to SDSS-DR9 details) (Note)   (meta.id;meta.main)
Sp-ID   (i) Spectroscopic Plate-MJD-Fiber identifier (Note 7)   (meta.id)
SpObjID 0  Pointer to the spectrum of object, or 0 (7) (Note)   (meta.id)
parentID1237656906894540840  Pointer to parent (if object deblended) (meta.id.parent)
flags00000806010121E1010  Photo Object Attribute flags (Note 3)   (meta.code.error)
Status00000401   [0-9A-F] Hexadecimal status (Note 4)   (meta.code)
RA_ICRS005.899035 deg (i) Right Ascension of the object (ICRS) (ra) (pos.eq.ra;meta.main)
e_RA_ICRS 0.088 arcsec Mean error on RAdeg (raErr) (stat.error;pos.eq.ra)
DE_ICRS-00.514269 deg (i) Declination of the object (ICRS) (dec) (pos.eq.dec;meta.main)
e_DE_ICRS 0.131 arcsec Mean error on DEdeg (decErr) (stat.error;pos.eq.dec)
ObsDate2001.7887 yr Mean Observation date (time.epoch;obs;stat.mean)
Q3   [0/5] Quality of the observation (0=unknown): 1=bad 2=acceptable 3=good 4=missing 5=hole (Note 6)   (meta.code.qual;obs.param;obs)
umag23.750 mag (i) Model magnitude in u filter, AB scale (u) (Note 5)   (phot.mag;em.opt.U)
e_umag 0.890 mag Mean error on umag (err_u) (stat.error;phot.mag)
gmag22.789 mag (i) Model magnitude in g filter, AB scale (g) (Note 5)   (phot.mag;em.opt.B)
e_gmag 0.181 mag Mean error on gmag (err_g) (stat.error;phot.mag)
rmag22.163 mag (i) Model magnitude in r filter, AB scale (r) (Note 5)   (phot.mag;em.opt.R)
e_rmag 0.142 mag Mean error on rmag (err_r) (stat.error;phot.mag)
imag21.963 mag (i) Model magnitude in i filter, AB scale (i) (Note 5)   (phot.mag;em.opt.I)
e_imag 0.197 mag Mean error on imag (err_i) (stat.error;phot.mag)
zmag22.494 mag (i) Model magnitude in z filter, AB scale (z) (Note 5)   (phot.mag;em.opt.I)
e_zmag 0.796 mag Mean error on zmag (err_z) (stat.error;phot.mag)
zsp    Spectroscopic redshift (when SpObjID>0) (Note 7)   (src.redshift)
e_zsp    Mean error on zsp (negative for bad fit) (Note 7)   (stat.error)
f_zsp    [0/255] "zwarning" flag (Note 9)   (meta.code)
Vdisp  km/s Velocity dispersion (velDisp) (phys.veloc.dispersion)
e_Vdisp  km/s Mean error on Vdisp (velDispErr) (stat.error)
spInst    [SDSS BOSS] Spectral instrument (instrument) (meta.id;instr)
spType   Source type (sourceType) (10) (list of types) (Note)   (src.class)
spCl   Spectroscopic class (class): GALAXY, QSO, STAR (meta.code.class;pos.parallax.spect)
subClass   Spectroscopic subclass (subClass) (Note 11)   (src.spType)
spS/N    Median signal-to-noise over all good pixels (snMedian) (em.wl.central;stat.median)
uFlags0000020400012808011  Detection flags, u band (flags_u) (Note 3)   (meta.code)
us1   [0,1] 0=notStar, 1=Star in u band (probPSF_u) (src.class.starGalaxy)
uc6   [0,9] Phototype in u band, 6=Star (type_u) (Note 1)   (src.class.starGalaxy)
uDate2001.7887 yr Date of observation in u band (Note 6)   (time.epoch)
u'mag23.750 mag Model magnitude in u filter (= umag) (Note 5)   (phot.mag;em.opt.U)
e_u'mag 0.890 mag Mean error on u'mag (= e_umag) (stat.error;phot.mag)
upmag23.574 mag PSF magnitude in u band (psfMag_u) (phot.mag;em.opt.U)
e_upmag 0.891 mag Mean error on upmag (psfMagErr_u) (stat.error;phot.mag)
uPmag23.981 mag Petrosian magnitude in u band (petroMag_u) (phot.mag;em.opt.U)
e_uPmag 1.609 mag Mean error on uPmag (petroMagErr_u) (stat.error;phot.mag)
uPrad 0.81 arcsec Petrosian radius in u band (petroRad_u) (phys.angSize;src)
e_uPrad 0.70 arcsec Mean error in uPrad (petroRadErr_u) (stat.error)
uoRA 0.14 arcsec Offset of u position along RA (offsetRa_u) (pos.angDistance)
uoDE 0.20 arcsec Offset of u position along Dec (offsetDec_u) (pos.angDistance)
udVrad 0.01 arcsec de Vaucouleurs fit radius, u band (deVRad_u) (phys.angSize;src)
udVell 0.050 arcsec de Vaucouleurs fit ellipt, u band (1-deVAB_u) (src.ellipticity)
uPA130.4 deg Position angle of dVrad in u band (deVPhi_u) (pos.posAng)
gFlags0000000004012108010  Detection flags, g band (flags_g) (Note 3)   (meta.code)
gs1   [0,1] 0=notStar, 1=Star in g band (probPSF_g) (src.class.starGalaxy)
gc6   [0,9] Phototype in g band, 6=Star (type_g) (Note 1)   (src.class.starGalaxy)
gDate2001.7887 yr Date of observation in g band (Note 6)   (time.epoch)
g'mag22.789 mag Model magnitude in g filter (= gmag) (Note 5)   (phot.mag;em.opt.B)
e_g'mag 0.181 mag Mean error on g'mag (= e_gmag) (stat.error;phot.mag)
gpmag22.818 mag PSF magnitude in g band (psfMag_g) (phot.mag;em.opt.B)
e_gpmag 0.183 mag Mean error on gpmag (psfMagErr_g) (stat.error;phot.mag)
gPmag23.303 mag Petrosian magnitude in g band (petroMag_g) (phot.mag;em.opt.B)
e_gPmag 0.406 mag Mean error on gPmag (petroMagErr_g) (stat.error;phot.mag)
gPrad 0.94 arcsec Petrosian radius in g band (petroMagErr_g) (phys.angSize;src)
e_gPrad 0.76 arcsec Mean error in gPrad (petroMagErr_g) (stat.error)
goRA -0.18 arcsec Offset of g position along RA (offsetRa_g) (pos.angDistance)
goDE 0.15 arcsec Offset of g position along Dec (offsetDec_g) (pos.angDistance)
gdVrad 0.01 arcsec de Vaucouleurs fit radius, g band (deVRad_g) (phys.angSize;src)
gdVell 0.050 arcsec de Vaucouleurs fit ellipt, g band (1-deVAB_g) (src.ellipticity)
gPA 15.9 deg Position angle of dVrad in g band (deVPhi_g) (pos.posAng)
rFlags0000010004012188010  Detection flags, r band (flags_r) (Note 3)   (meta.code)
rs1   [0,1] 0=notStar, 1=Star in r band (probPSF_r) (src.class.starGalaxy)
rc6   [0,9] Phototype in r band, 6=Star (type_r) (Note 1)   (src.class.starGalaxy)
rDate2001.7887 yr Date of observation in r band (Note 6)   (time.epoch)
r'mag22.163 mag Model magnitude in r filter (= rmag) (Note 5)   (phot.mag;em.opt.R)
e_r'mag 0.142 mag Mean error on r'mag (= e_rmag) (stat.error;phot.mag)
rpmag22.267 mag PSF magnitude in r band (psfMag_r) (phot.mag;em.opt.R)
e_rpmag 0.154 mag Mean error on rpmag (psfMagErr_r) (stat.error;phot.mag)
rPmag22.404 mag Petrosian magnitude in r band (petroMag_r) (phot.mag;em.opt.R)
e_rPmag 0.306 mag Mean error on rPmag (petroMagErr_r) (stat.error;phot.mag)
rPrad 1.03 arcsec Petrosian radius in r band (petroMagErr_r) (phys.angSize;src)
e_rPrad 0.13 arcsec Mean error in rPrad (petroMagErr_r) (stat.error)
roRA 0.00 arcsec Offset of r position along RA (offsetRa_r) (pos.angDistance)
roDE 0.00 arcsec Offset of r position along Dec (offsetDec_r) (pos.angDistance)
rdVrad 0.19 arcsec de Vaucouleurs fit radius, r band (deVRad_r) (phys.angSize;src)
rdVell 0.092 arcsec de Vaucouleurs fit ellipt, r band (1-deVAB_r) (src.ellipticity)
rPA 21.4 deg Position angle of dVrad in r band (deVPhi_r) (pos.posAng)
iFlags000000000401A108010  Detection flags, i band (flags_i) (Note 3)   (meta.code)
is1   [0,1] 0=notStar, 1=Star in i band (probPSF_i) (src.class.starGalaxy)
ic6   [0,9] Phototype in i band, 6=Star (type_i) (Note 1)   (src.class.starGalaxy)
iDate2001.7887 yr Date of observation in i band (Note 6)   (time.epoch)
i'mag21.963 mag Model magnitude in i filter (= imag) (Note 5)   (phot.mag;em.opt.I)
e_i'mag 0.197 mag Mean error on i'mag (= e_imag) (stat.error;phot.mag)
ipmag22.056 mag PSF magnitude in i band (psfMag_i) (phot.mag;em.opt.I)
e_ipmag 0.204 mag Mean error on ipmag (psfMagErr_i) (stat.error;phot.mag)
iPmag22.170 mag Petrosian magnitude in i band (petroMag_i) (phot.mag;em.opt.I)
e_iPmag 0.387 mag Mean error on iPmag (petroMagErr_i) (stat.error;phot.mag)
iPrad 1.47 arcsec Petrosian radius in i band (petroMagErr_i) (phys.angSize;src)
e_iPrad 0.45 arcsec Mean error in iPrad (petroMagErr_i) (stat.error)
ioRA 0.20 arcsec Offset of i position along RA (offsetRa_i) (pos.angDistance)
ioDE 0.26 arcsec Offset of i position along Dec (offsetDec_i) (pos.angDistance)
idVrad 0.17 arcsec de Vaucouleurs fit radius, i band (deVRad_i) (phys.angSize;src)
idVell 0.100 arcsec de Vaucouleurs fit ellipt, i band (1-deVAB_i) (src.ellipticity)
iPA167.9 deg Position angle of dVrad in i band (deVPhi_i) (pos.posAng)
zFlags000002000000A069011  Detection flags, z band (flags_z) (Note 3)   (meta.code)
zs1   [0,1] 0=notStar, 1=Star in z band (probPSF_z) (src.class.starGalaxy)
zc6   [0,9] Phototype in z band, 6=Star (type_z) (Note 1)   (src.class.starGalaxy)
zDate2001.7887 yr Date of observation in z band (Note 6)   (time.epoch)
z'mag22.494 mag Model magnitude in z filter (= zmag) (Note 5)   (phot.mag;em.opt.I)
e_z'mag 0.796 mag Mean error on z'mag (= e_zmag) (stat.error;phot.mag)
zpmag22.451 mag PSF magnitude in z band (psfMag_z) (phot.mag;em.opt.I)
e_zpmag 0.730 mag Mean error on zpmag (psfMagErr_z) (stat.error;phot.mag)
zPmag23.191 mag Petrosian magnitude in z band (petroMag_z) (phot.mag;em.opt.I)
e_zPmag 1.356 mag Mean error on zPmag (petroMagErr_z) (stat.error;phot.mag)
zPrad 0.73 arcsec Petrosian radius in z band (petroMagErr_z) (phys.angSize;src)
e_zPrad 0.66 arcsec Mean error in zPrad (petroMagErr_z) (stat.error)
zoRA 0.03 arcsec Offset of z position along RA (offsetRa_z) (pos.angDistance)
zoDE 0.07 arcsec Offset of z position along Dec (offsetDec_z) (pos.angDistance)
zdVrad 0.08 arcsec de Vaucouleurs fit radius, z band (deVRad_z) (phys.angSize;src)
zdVell 0.424 arcsec de Vaucouleurs fit ellipt, z band (1-deVAB_z) (src.ellipticity)
zPA166.3 deg Position angle of dVrad in z band (deVPhi_z) (pos.posAng)
pmRA  mas/yr Proper motion along RightAscension (pmRa) (Note 8)   (pos.pm;pos.eq.ra)
e_pmRA  mas/yr Mean error on pmRA (pmRaErr) (Note 8)   (stat.error;pos.pm;pos.eq.ra)
pmDE  mas/yr Proper motion along Declination (pmDec) (Note 8)   (pos.pm;pos.eq.dec)
e_pmDE  mas/yr Mean error on pmDE (pmDecErr) (Note 8)   (stat.error;pos.pm;pos.eq.dec)
sigRA  arcsec RMS residual of proper motion fit in RA (Note 8)   (stat.fit.residual)
sigDE  arcsec RMS residual of proper motion fit in Dec (Note 8)   (stat.fit.residual)
M0  Number of USNO-B objects matched within 1arcsec (match) (Note 8)   (meta.number)
N0  Number of detections used in the pm fit, including SDSS (nFit) (Note 8)   (meta.number)
g(O)  mag Magnitude from O plate recalibrated to g (Note 8)   (phot.mag;em.opt.B)
r(E)  mag Magnitude from E plate recalibrated to r (Note 8)   (phot.mag;em.opt.R)
g(J)  mag Magnitude from J plate recalibrated to g (Note 8)   (phot.mag;em.opt.B)
r(F)  mag Magnitude from F plate recalibrated to r (Note 8)   (phot.mag;em.opt.R)
i(N)  mag Magnitude from N plate recalibrated to i (Note 8)   (phot.mag;em.opt.I)
  
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